what is differance between dirty earthing and clean earthing and their applications

2 Answers   CB&I Lummus,

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what happens to current , when voltage drops .?

11 Answers  

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what happens when you connect a.c and d.c supplies

1 Answers  

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In track electrification Either we use single conductor or double conductor? why?

2 Answers  

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why we define potections of Tourbo generator in Class A & B.

1 Answers   GIL,

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What is the recommended voltage gap between Live and Earth and ,Earth and Neutral.If these are exceded what is the solution.

2 Answers  

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how to calculate the fault in substation

0 Answers  

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what is active power & reactive power?

0 Answers   Avtech, Jindal,

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why co incidence factor considered in transformer sizing?

0 Answers  

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what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers   Orchid,

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Why transmission line carryiny high voltage and low current?

3 Answers   apspdcl, Universal Power Controls,

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what will happen if dc supply is given to ac motor?

9 Answers   CTS,

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